|Origin of name||State of Colorado|
|Iowa Alley (until 1910)|
Colorado Street appears in the 1890 Hopkins atlas. It is named for the state of Colorado. It is parallel to California Avenue, and nearby alleys once included Iowa Alley, Arizona Way, and Oregon Alley (later Overcliff Way). Iowa Alley became the southern part of Colorado Street in 1910.
- Real Estate Plat-Book of the City of Allegheny, vol. 1, plate 16. G. M. Hopkins & Co., Philadelphia, 1890. view source] hopkins-1890-allegheny-vol-1 ; included in the 1890 layer at Pittsburgh Historic Maps ( ). [
- Bob Regan. The Names of Pittsburgh: How the city, neighborhoods, streets, parks and more got their names, p. 73. The Local History Company, Pittsburgh, 2009, ISBN 978-0-9770429-7-5. [view source] regan
- "An ordinance changing the names of certain avenues, streets, lanes and alleys in the City of Pittsburgh." Pittsburgh city ordinance, 1910, no. 715. Passed Mar. 31, 1910; approved Apr. 5, 1910. Ordinance Book 21, p. 342. In Municipal Record: Minutes of the proceedings of the [Select and Common Councils] of the City of Pittsburgh for the years 1909–1910, appendix, pp. 312–328, Devine & Co., Pittsburgh, 1910 (Google Books doQzAQAAMAAJ; Internet Archive Pghmunicipalrecord1909). Reprinted in the Pittsburgh Post, Apr. 19, 1910, pp. 10–11 (Newspapers.com 86611990, 86612022), Apr. 20, pp. 10–11 (Newspapers.com 86612278, 86612297), and Apr. 21, pp. 10–11 (Newspapers.com 86612601, 86612625). [view source] ordinance-1910-715